Create and release a Gentoo stats server/client

by Sebastian Pipping for Gentoo

Implement a client and server application to gather information about installed packages and related details from Gentoo systems. As smolt (https://fedorahosted.org/smolt/) is collecting hardware information in a similar fashion, extending smolt by Gentoo-specific algorithms speeds up development on our end and also helps pushing smolt further towards its goal of becoming the cross-distribution statistics gathering tool.